253984240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2179}}^1$

素因数の和:2270

約数の個数: 80

約数和(自身を含む): 622817280

約数和(自身を除く): 368833040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 752, 940, 1240, 1457, 1880, 2179, 2480, 2914, 3760, 4358, 5828, 7285, 8716, 10895, 11656, 14570, 17432, 21790, 23312, 29140, 34864, 43580, 58280, 67549, 87160, 102413, 116560, 135098, 174320, 204826, 270196, 337745, 409652, 512065, 540392, 675490, 819304, 1024130, 1080784, 1350980, 1638608, 2048260, 2701960, 3174803, 4096520, 5403920, 6349606, 8193040, 12699212, 15874015, 25398424, 31748030, 50796848, 63496060, 126992120, 253984240]

約数ペア:

[(1, 253984240), (2, 126992120), (4, 63496060), (5, 50796848), (8, 31748030), (10, 25398424), (16, 15874015), (20, 12699212), (31, 8193040), (40, 6349606), (47, 5403920), (62, 4096520), (80, 3174803), (94, 2701960), (124, 2048260), (155, 1638608), (188, 1350980), (235, 1080784), (248, 1024130), (310, 819304), (376, 675490), (470, 540392), (496, 512065), (620, 409652), (752, 337745), (940, 270196), (1240, 204826), (1457, 174320), (1880, 135098), (2179, 116560), (2480, 102413), (2914, 87160), (3760, 67549), (4358, 58280), (5828, 43580), (7285, 34864), (8716, 29140), (10895, 23312), (11656, 21790), (14570, 17432)]